Hold all the cards
Definition 1 of 1
Pro Tip 1/3Power Dynamics
Understand that using this phrase indicates one party's dominant position over another in a situation. 
With the CEO's support, Jenna holds all the cards in the board meeting.
Pro Tip 2/3Not Literal
Remember, it's metaphorical and doesn't involve physical cards; it's about a figurative advantage. 
Despite the early setbacks, we now hold all the cards in this project.
Pro Tip 3/3Negotiation Clout
Use this idiom when someone has the best chance of winning or getting what they want, especially in negotiations. 
Because they need us, we hold all the cards in these contract talks.